<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="./lib/moment.2.24.0.js"></script>
    <script src="./lib/vue2.4.4.js"></script>
    <!-- `vue-resource` 依赖于 `vue` -->
    <script src="./lib/vue-resource1.3.4.js"></script>
    <style>
        .v-enter,
        .v-leave-to {
            opacity: 0;
            transform: translateX(200px);
        }
    
        .v-enter-active,
        .v-leave-active {
            transition: all 0.4s ease;
        }
    </style>
</head>

<body>
    <div id="app">
        <input type="button" value="toggle" @click="flag=!flag">
        <transition>
            <h3 v-if="flag">显示与隐藏</h3>
        </transition>
    </div>

    <script>
        var FORMAT_TIME_STR = 'YYYY-MM-DD HH:mm:ss';
        var vm = new Vue({
            el: '#app',
            data: {
                flag: false
            },
            methods: {
            }
        });
    </script>
</body>

</html>